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Re-implement XClientMessage handling so that we can feed screen_find and

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client_find valid resources as needed, relieving the need for
screen_find to ungracefully handle invalid root windows. Removes a long
standing XXX.  Should theoretically allow XClientMessage handling on
more than one X screen.  Alter callers of screen_find to handle
failures.
This commit is contained in:
okan
2015-06-30 14:01:43 +00:00
parent 9ea5f25347
commit 8515d717ae
3 changed files with 46 additions and 41 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
client.c
View File

@@ -55,7 +55,8 @@ client_init(Window win, struct screen_ctx *sc)
return(NULL); return(NULL);
if (sc == NULL) { if (sc == NULL) {
sc = screen_find(wattr.root); if ((sc = screen_find(wattr.root)) == NULL)
return(NULL);
mapped = 1; mapped = 1;
} else { } else {
if (wattr.override_redirect || wattr.map_state != IsViewable) if (wattr.override_redirect || wattr.map_state != IsViewable)

4
screen.c
View File

@@ -100,8 +100,8 @@ screen_find(Window win)
if (sc->rootwin == win) if (sc->rootwin == win)
return(sc); return(sc);
} }
/* XXX FAIL HERE */ warnx("screen_find failure win 0x%lu\n", win);
return(TAILQ_FIRST(&Screenq)); return(NULL);
} }
void void

50
xevents.c
View File

@@ -240,7 +240,8 @@ xev_handle_buttonpress(XEvent *ee)
if (e->window != e->root) if (e->window != e->root)
return; return;
cc = &fakecc; cc = &fakecc;
cc->sc = screen_find(e->window); if ((cc->sc = screen_find(e->window)) == NULL)
return;
} }
(*mb->callback)(cc, &mb->argument); (*mb->callback)(cc, &mb->argument);
@@ -290,7 +291,8 @@ xev_handle_keypress(XEvent *ee)
return; return;
} else { } else {
cc = &fakecc; cc = &fakecc;
cc->sc = screen_find(e->window); if ((cc->sc = screen_find(e->window)) == NULL)
return;
} }
(*kb->callback)(cc, &kb->argument); (*kb->callback)(cc, &kb->argument);
@@ -307,7 +309,8 @@ xev_handle_keyrelease(XEvent *ee)
KeySym keysym; KeySym keysym;
unsigned int i; unsigned int i;
sc = screen_find(e->root); if ((sc = screen_find(e->root)) == NULL)
return;
keysym = XkbKeycodeToKeysym(X_Dpy, e->keycode, 0, 0); keysym = XkbKeycodeToKeysym(X_Dpy, e->keycode, 0, 0);
for (i = 0; i < nitems(modkeys); i++) { for (i = 0; i < nitems(modkeys); i++) {
@@ -325,43 +328,44 @@ xev_handle_clientmessage(XEvent *ee)
struct client_ctx *cc, *old_cc; struct client_ctx *cc, *old_cc;
struct screen_ctx *sc; struct screen_ctx *sc;
sc = screen_find(e->window); if (e->message_type == cwmh[WM_CHANGE_STATE]) {
if ((cc = client_find(e->window)) != NULL) {
if ((cc = client_find(e->window)) == NULL && e->window != sc->rootwin) if (e->data.l[0] == IconicState)
return;
if (e->message_type == cwmh[WM_CHANGE_STATE] && e->format == 32 &&
e->data.l[0] == IconicState)
client_hide(cc); client_hide(cc);
}
if (e->message_type == ewmh[_NET_CLOSE_WINDOW]) } else if (e->message_type == ewmh[_NET_CLOSE_WINDOW]) {
if ((cc = client_find(e->window)) != NULL) {
client_send_delete(cc); client_send_delete(cc);
}
if (e->message_type == ewmh[_NET_ACTIVE_WINDOW] && e->format == 32) { } else if (e->message_type == ewmh[_NET_ACTIVE_WINDOW]) {
if ((cc = client_find(e->window)) != NULL) {
if ((old_cc = client_current())) if ((old_cc = client_current()))
client_ptrsave(old_cc); client_ptrsave(old_cc);
client_ptrwarp(cc); client_ptrwarp(cc);
} }
} else if (e->message_type == ewmh[_NET_WM_DESKTOP]) {
if (e->message_type == ewmh[_NET_WM_DESKTOP] && e->format == 32) { if ((cc = client_find(e->window)) != NULL) {
/* /*
* The EWMH spec states that if the cardinal returned is * The EWMH spec states that if the cardinal returned
* 0xFFFFFFFF (-1) then the window should appear on all * is 0xFFFFFFFF (-1) then the window should appear
* desktops, which in our case is assigned to group 0. * on all desktops, in our case, group 0.
*/ */
if (e->data.l[0] == (unsigned long)-1) if (e->data.l[0] == (unsigned long)-1)
group_movetogroup(cc, 0); group_movetogroup(cc, 0);
else else
group_movetogroup(cc, e->data.l[0]); group_movetogroup(cc, e->data.l[0]);
} }
} else if (e->message_type == ewmh[_NET_WM_STATE]) {
if (e->message_type == ewmh[_NET_WM_STATE] && e->format == 32) if ((cc = client_find(e->window)) != NULL) {
xu_ewmh_handle_net_wm_state_msg(cc, xu_ewmh_handle_net_wm_state_msg(cc,
e->data.l[0], e->data.l[1], e->data.l[2]); e->data.l[0], e->data.l[1], e->data.l[2]);
}
if (e->message_type == ewmh[_NET_CURRENT_DESKTOP] && e->format == 32) } else if (e->message_type == ewmh[_NET_CURRENT_DESKTOP]) {
if ((sc = screen_find(e->window)) != NULL) {
group_only(sc, e->data.l[0]); group_only(sc, e->data.l[0]);
} }
}
}
static void static void
xev_handle_randr(XEvent *ee) xev_handle_randr(XEvent *ee)